package main

import (
	"fmt"
	"unicode/utf8"
)

const (
	_ = 1 << (10 * iota)
	KiB
	MiB
	GiB
	TiB
	PiB
	EiB
	ZiB
	YiB
)

func main() {
	fmt.Println(KiB)
	fmt.Println(MiB)

	ages1 := map[string]int{
		"alice":   31,
		"charlie": 34,
	}
	ages2 := make(map[string]int)
	ages2["alice"] = 31
	ages2["charlie"] = 34

	fmt.Println(ages1["alice"])
	fmt.Println(ages2["alice"])

	ages1["hello"] = 5
	fmt.Println(ages1)
	delete(ages1, "alice")
	fmt.Println(ages1)
	if age, ok := ages1["hello"]; ok {
		fmt.Println(age)
	}
	fmt.Println(utf8.UTFMax)
}
